Ladder lock

Locks – Portable

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

70 19, 70 58, 182214, 224324, E05B 7300

Patent

active

059184884

ABSTRACT:
A locking device used to secure a ladder to a ladder rack or roof rack on a vehicle while being transported. Its main purpose is to help protect a ladder from theft, cross-winds and accidents while being transported comprising a screw member (10) which is threaded at one end (12) and has a curvature at opposite end (14) whereby the screw member (10) is hooked under the ladder rack or roof rack and interlocked with crossbar (22) and handle(16) to secure ladder, the screw member (10) is of a predetermined diameter and length. The crossbar (22) having four equal sides and four right angles comprising a commercial form of rigid material, and having a plurality of holes for an interlocking method for securing the handle (16) to the crossbar (22) and screw member (10). The handle (16) comprising a predetermined diameter center hole (18) and an internal screw thread within the center hole (18) for receiving the screw member (10). The handle (16) having a horizontal surface and a second bore (20) adjacent to the center hole (18) for an interlocking method of securing the handle (16) to the crossbar (22), whereby an accurate adjusting method for inserting a padlock is permitted.

REFERENCES:
patent: 3672612 (1972-06-01), Laing, Jr.
patent: 4364451 (1982-12-01), Wright
patent: 4618083 (1986-10-01), Weger, Jr.
patent: 4827742 (1989-05-01), McDonald
patent: 4912949 (1990-04-01), Bowers
patent: 4924971 (1990-05-01), Rice
patent: 5009350 (1991-04-01), Schill
patent: 5010979 (1991-04-01), Shreve, III
patent: 5154258 (1992-10-01), Krukow
patent: 5383533 (1995-01-01), Nikula
patent: 5537846 (1996-07-01), Simon
patent: 5657915 (1997-08-01), Ravier
patent: 5715710 (1998-02-01), De Lucia et al.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Ladder lock does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Ladder lock, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Ladder lock will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-891894

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.